Inkjet recording method and inkjet recording apparatus

Abstract

An inkjet recording method of the present disclosure is an inkjet recording method of recording an image on a recording medium using an aqueous ink. Coating wax on a transfer body; applying an aqueous reaction solution containing a reaction agent reacting with the aqueous ink to the transfer body; forming an intermediate image by applying the aqueous ink to the transfer body; and transferring the intermediate image by bringing the intermediate image into contact with the recording medium are included in this order, and a surface temperature Ta (° C.) of the transfer body at a position where the intermediate image contacts the recording medium, a surface temperature Tb (° C.) of the transfer body at a position where the intermediate image is separated from the transfer body and a melting point Tm (° C.) of the wax satisfy a relationship of Tb<Tm≤Ta.

What is claimed is: 
     
         1 . An inkjet recording method of recording an image on a recording medium using an aqueous ink, the method comprising:
 coating wax on a transfer body;   applying an aqueous reaction solution containing a reaction agent reacting with the aqueous ink to the transfer body;   forming an intermediate image by applying the aqueous ink to the transfer body; and   transferring the intermediate image by bringing the intermediate image into contact with the recording medium, in this order, wherein   a surface temperature Ta (° C.) of the transfer body at a position where the intermediate image contacts the recording medium, a surface temperature Tb (° C.) of the transfer body at a position where the intermediate image is separated from the transfer body, and a melting point Tm (° C.) of the wax satisfy a relationship of Tb<Tm≤Ta.   
     
     
         2 . The inkjet recording method according to  claim 1 , wherein
 the surface temperature Ta (° C.) of the transfer body and the melting point Tm (° C.) of the wax satisfy a relationship of Ta−Tm≥10 (° C.).   
     
     
         3 . The inkjet recording method according to  claim 1 , wherein
 the surface temperature Tb (° C.) of the transfer body and the melting point Tm (° C.) of the wax satisfy a relationship of Tm−Tb≥20 (° C.).   
     
     
         4 . The inkjet recording method according to  claim 1 , the method further comprising:
 applying an aqueous transfer accelerating solution to a region of the transfer body to which the aqueous ink is applied to form the intermediate image, after applying the aqueous ink to the transfer body.   
     
     
         5 . The inkjet recording method according to  claim 4 , wherein
 the transfer accelerating solution contains resin particles.   
     
     
         6 . The inkjet recording method according to  claim 5 , wherein
 a glass transition temperature Tg (° C.) of the resin particles and the melting point Tm (° C.) of the wax satisfy a relationship of Tg<Tm.   
     
     
         7 . The inkjet recording method according to  claim 5 , wherein
 a glass transition temperature Tg (° C.) of the resin particles and the surface temperature Tb (° C.) of the transfer body satisfy a relationship of Tg<Tb.   
     
     
         8 . The inkjet recording method according to  claim 5 , wherein
 the resin particles contain rosin particles.   
     
     
         9 . An inkjet recording apparatus used to record an image on a recording medium using an aqueous ink, the apparatus comprising:
 a wax coating unit that coats wax on a transfer body;   a reaction solution applying unit that applies an aqueous reaction solution containing a reaction agent reacting with the aqueous ink to the transfer body;   an ink applying unit that forms an intermediate image by ejecting the aqueous ink by an inkjet method and applying the aqueous ink to the transfer body;   a transfer unit that transfers the intermediate image by bringing the intermediate image into contact with the recording medium; and   a temperature control unit that controls a temperature of the transfer body so that a surface temperature Ta (° C.) of the transfer body at a position where the intermediate image contacts the recording medium, a surface temperature Tb (° C.) of the transfer body at a position where the intermediate image is separated from the transfer body, and a melting point Tm (° C.) of the wax satisfy a relationship of Tb<Tm≤Ta.